Mercedes - why car stop running while driving - Mercedes Benz?

Check your Idle Control valve. They often get clogged up with carbon & loose residue. Remove from Vehicle / Check that it has 0.0 Ohms (Anything above needs to be replaced) Thourally clean with Carburetor cleaner or Contact spray. Install a Mini screwdriver & move the pin inside . When it is loose again it will snap chut. Reinstall. This takes about 1 hour.